A lot of oil is imported for the refineries to process. https://stateimpact.npr.org/texas/2014/10/28/why-is-the-u-s-still-importing-so-much-oil/ https://statei

A lot of oil is imported for the refineries to process. https://stateimpact.npr.org/texas/2014/10/28/why-is-the-u-s-still-importing-so-much-oil/ https://stateimpact.npr.org/texas/2014/10/28/why-is-the-u-s-...